The holographic principle suggests that the information content of a region of space can be thought of as encoded on the boundary of that region, much like a hologram.

The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.

真正的领导力是为他人服务，而不是为自己。